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28 Possible Causes for Delayed Closure of Fontanelles, Open Posterior Fontanelle

  • Endemic Cretinism

    CLINICAL FEATURES Birth weight 4 kg Open posterior fontanel Nasal stuffiness & discharge Macroglossia Constipation & abdominal distension Feeding problems & vomiting[slideshare.net] Delayed closure of anterior fontanel 21.[slideshare.net] CLINICAL FEATURES (c’d) Skeletal abnormalities: Infantile proportions Hip & knee flexion Exaggerated lumbar lordosis Delayed teeth eruption Under developed mandible[slideshare.net]

  • Cleidocranial Dysplasia

    Three-dimensional computerized tomography scanning demonstrated a large anterior fontanelle, a patent posterior fontanelle, and bone defects at the pterion and asterion, together[ncbi.nlm.nih.gov] Cleidocranial dysplasia (CCD) is a rare genetic disorder of bone, characterised by hypoplastic/aplastic clavicles, delayed closure of fontanelles and sutures of the cranium[ncbi.nlm.nih.gov] CCD is an autosomal skeletal disorder characterized by several features such as delayed closure of fontanels, dental abnormalities and hypoplastic clavicles.[ncbi.nlm.nih.gov]

  • Eyebrow Duplication - Syndactyly Syndrome

    ., 1993, Teratology 48: 502 Edit 9 8280871_baby 69, XXX, rec(7)dup(7p)inv(7)(p21q32), rec(7)dup(7q)inv(7)(p21q32) pat prominent occiput with open posterior fontanelle, low-set[chr7.org] Dentition is delayed. Recurrent stomatitis and gastroesophageal reflux have been noted. Closure of the fontanels is delayed.[disorders.eyes.arizona.edu] ;p15) pat asymmetry cranium, delayed closure of fontanels, hypertelorism, low-set ears, choanal atresia, micrognathia, malposition of feet, arachnodactyly, contractures of[chr7.org]

  • Craniosynostosis

    The anterior, posterior, sphenoid and mastoid fontanels are openings which close on their own as a part of normal growth.[aans.org] Craniosynostosis and clavicular hypoplasia, delayed closure of the fontanelle, cranial defects, anal and genitourinary abnormalities, and skin (CDAGS), is an infrequent autosomal[ncbi.nlm.nih.gov] The report describes the child as having a fused posterior fontanel, something that can’t be diagnosed by simple palpation, and an open but small anterior fontanel.[sciencebasedmedicine.org]

  • Progeria

    Adequate visualization of the posterior fontanels was limited but was clearly open in 3 children, 2.1, 3.5, and 9.4 years of age.[ajnr.org] closure of fontanelles and sutures, delayed dentition, horse-riding stance, thin limbs with prominent stiff joints, coxa valga, skeletal hypoplasia and dysplasia, dystrophic[ncbi.nlm.nih.gov] These may include delayed closure of the “soft spot” at the front of the skull (anterior fontanelle), an abnormally thin “dome-like” portion of the skull (calvaria), and/or[rarediseases.org]

  • Boomerang Dysplasia

    The anterior and the posterior fontanelles were wide open. The head appeared large in comparison to the body.[clinicalimagingscience.org] Radiographically, wormian bones and delayed closure of the fontanelles may be observed well into the first decade of life.[nature.com] Reconstruction skeletal CT scan b) Posterior view shows markedly opened posterior fontanel (long white arrow), ill-defined cranio-cervical junction (short white arrow), and[clinicalimagingscience.org]

  • Congenital Hypothyroidism

    Examination revealed facial puffiness, open posterior fontanelles, dry skin, cold peripheries and prominent abdominal veins with visible peristalsis.[ncbi.nlm.nih.gov] […] developmental milestones (crawling, sitting, walking, talking) Large soft spot present on the skull, i.e. the fontanel that has a late closure Children who are left untreated[hxbenefit.com] She was severely pale with a wide open and flat anterior fontanel (3 3 cm), open posterior fontanel, depressed nasal bridge, macroglossia, dry skin, and an umbilical hernia[currentpediatrics.com]

  • Cranio-Osteoarthropathy

    At the age of 3 weeks, it was noticed that her anterior and posterior fontanels were large accompanied by widely open cranial sutures.[nature.com] closure of the cranial sutures and fontanels, resulting in wide fontanels, and an increased number of wormian bones.[orpha.net] We have now encountered three siblings, two of whom had digital clubbing, patent arterial ducts and delayed closure of the cranial fontanels.[cambridge.org]

  • Pyknodysostosis

    Radiograph of the skull was found to be widely open anterior and posterior fontanelle, with obtuse mandibular angle and separated cranial sutures (Fig. 6).[jocr.co.in] closure of the fontanelles, and hypoplasia of the terminal phalanges.[medical-dictionary.thefreedictionary.com] Figure 8: Lateral skull radiograph showing open fontanels (anterior white arrow, posterior red arrow), wide sutures (black arrow), obtuse mandibular angle (yellow arrow),[contempclindent.org]

  • Osteogenesis Imperfecta Congenita - Microcephaly - Cataracts Syndrome

    […] with an open posterior fontanel can be an early sign of the disorder.[aafp.org] -Therefore, can have normal parents pass on an AD disorder Osteogenesis Imperfecta Type I *AD with germline mosaicism Disorder of Type 1 Collagen COL1A1 Delayed fontanelle[quizlet.com] Evaluation of protein glycosylation status is recommended for all children presenting with congenital wrinkled skin/cutis laxa, late fontanel closure, developmental delay,[nature.com]

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